VOLVO SD116F SINGLE-DRUM ROLLER Service Repair Manual Instant Download

Service Information

Document Title: Function Group: Information Type: Date:

Travel hydraulics,

troubleshooting

400 Service Information 2015/9/

Profile:

COS, SD116F [GB]

Travel hydraulics, troubleshooting

Propulsion system

NOTE!
Possible causes for each symptom are numbered in order of most likely occurrence.

Symptom Possible cause

No propulsion

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

Hydraulic oil level in reservoir (low)

Control cable

Linkage and lever

Bypass valve

Charge pressure

Inlet filter

Control valve

Inspect control orifice

Drive coupling

Electrical circuit

Transmission (replace)

One direction only

1.

2.

3.

4.

5.

6.

7.

8.

Control cable

Linkage and lever

Control valve

Pump multi-function valve

Servo control pressure

Loop flushing valve

Replace control valve

Pump malfunction

Sluggish

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

Hydraulic oil level in reservoir (low)

RPM (low)

Bypass valve

Traction control valve (optional)

Air in system

Charge pressure

System relief pressure

System pressure check

Control valve

Contaminated system

Pump malfunction

Transmission (replace)